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ROLE OF CBP/P300 IN NUCLEAR RECEPTOR SIGNALLING

机译:CBP / P300在核受体信号中的作用

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THE nuclear receptor superfamily includes receptors for steroids, retinoids, thyroid hormone and vitamin D, as well as many related proteins(1-3). An important feature of the action of the lipophilic hormones and vitamins is that the maintenance of homeostatic function requires both intrinsic positive and negative regulation(4,5). Here we provide in vitro and in vivo evidence that identifies the CREB-binding protein (CBP) and its homologue P300 (refs 6, 7) as cofactors mediating nuclear-receptor-activated gene transcription. The role of CBP/P300 in the transcriptional response to cyclic AMP, phorbol esters, serum, the lipophilic hormones and as the target of the E1A oncoprotein suggests they may serve as integrators of extracellular and intracellular signalling pathways. [References: 26]
机译:核受体超家族包括类固醇,类维生素A,甲状腺激素和维生素D的受体,以及许多相关蛋白(1-3)。亲脂性激素和维生素的作用的一个重要特征是,体内稳态功能的维持需要内在的正向和负向调节(4,5)。在这里,我们提供了体外和体内证据,这些证据将CREB结合蛋白(CBP)及其同系物P300(参考文献6、7)鉴定为介导核受体激活基因转录的辅因子。 CBP / P300在对环AMP,佛波酯,血清,亲脂性激素的转录反应中的作用以及作为E1A癌蛋白的靶标,提示它们可能充当细胞外和细胞内信号通路的整合者。 [参考:26]

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